package demo1;

import java.util.Scanner;

public class test {
    public static void main(String[] args) {

        Scanner scn = new Scanner(System.in);
        while (scn.hasNext()){
            int a = scn.nextInt();
            int b = scn.nextInt();
            int c = a + b;
            System.out.println(c);
        }

    }
}
